455513444 has 12 divisors (see below), whose sum is σ = 816591468. Its totient is φ = 222201600.

The previous prime is 455513441. The next prime is 455513449. The reversal of 455513444 is 444315554.

It can be written as a sum of positive squares in 2 ways, for example, as 59105344 + 396408100 = 7688^2 + 19910^2 .

It is a super-2 number, since 2×455513444² = 414984995329482272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (455513441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388597 + ... + 1388924.

It is an arithmetic number, because the mean of its divisors is an integer number (68049289).

Almost surely, 2^455513444 is an apocalyptic number.

It is an amenable number.

455513444 is a deficient number, since it is larger than the sum of its proper divisors (361078024).

455513444 is a wasteful number, since it uses less digits than its factorization.

455513444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777566 (or 2777564 counting only the distinct ones).

The product of its digits is 96000, while the sum is 35.

The square root of 455513444 is about 21342.7609273027. The cubic root of 455513444 is about 769.4263698655.

Adding to 455513444 its reverse (444315554), we get a palindrome (899828998).

The spelling of 455513444 in words is "four hundred fifty-five million, five hundred thirteen thousand, four hundred forty-four".